/Engine/Source/Runtime/InteractiveToolsFramework/Public/BaseBehaviors/AnyButtonInputBehavior.h
Configure a custom target mouse button
virtual void SetUseCustomMouseButton ( [TUniqueFunction](API\Runtime\Core\Templates\TUniqueFunction)< [FDeviceButtonState](API\Runtime\InteractiveToolsFramework\FDeviceButtonState)(const [FInputDeviceState](API\Runtime\InteractiveToolsFramework\FInputDeviceState) &Input)> )